/*
 * Copyright (c) 2003 JGoodies Karsten Lentzsch. All Rights Reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * o Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 * 
 * o Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * 
 * o Neither the name of JGoodies Karsten Lentzsch nor the names of its
 * contributors may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package org.springframework.richclient.components;

import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.Insets;

import javax.swing.UIManager;
import javax.swing.border.AbstractBorder;

public class ShadowBorder extends AbstractBorder {

    private static final Insets INSETS = new Insets(1, 1, 3, 3);

    public Insets getBorderInsets(Component c) {
        return INSETS;
    }

    public void paintBorder(Component c, Graphics g, int x, int y, int w, int h) {

        Color shadow = UIManager.getColor("controlShadow");
        if (shadow == null) {
            shadow = Color.GRAY;
        }
        Color lightShadow = new Color(shadow.getRed(), shadow.getGreen(), shadow.getBlue(), 170);
        Color lighterShadow = new Color(shadow.getRed(), shadow.getGreen(), shadow.getBlue(), 70);
        g.translate(x, y);

        g.setColor(shadow);
        g.fillRect(0, 0, w - 3, 1);
        g.fillRect(0, 0, 1, h - 3);
        g.fillRect(w - 3, 1, 1, h - 3);
        g.fillRect(1, h - 3, w - 3, 1);
        // Shadow line 1
        g.setColor(lightShadow);
        g.fillRect(w - 3, 0, 1, 1);
        g.fillRect(0, h - 3, 1, 1);
        g.fillRect(w - 2, 1, 1, h - 3);
        g.fillRect(1, h - 2, w - 3, 1);
        // Shadow line2
        g.setColor(lighterShadow);
        g.fillRect(w - 2, 0, 1, 1);
        g.fillRect(0, h - 2, 1, 1);
        g.fillRect(w - 2, h - 2, 1, 1);
        g.fillRect(w - 1, 1, 1, h - 2);
        g.fillRect(1, h - 1, w - 2, 1);
        g.translate(-x, -y);
    }
}